The WBLB-T-BP-3000-2000-L from A-Info is a Band Pass Filter with Frequency 2 to 4 GHz, Insertion Loss 1 dB, Rejection 50 dB, VSWR 2.00:1. Tags: Module with Connectors, Lumped Component Filter. More details for WBLB-T-BP-3000-2000-L can be seen below.